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8.3 Identification of ions by chemical and spectroscopic means

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Question 29
H

Dilute hydrochloric acid is added to solid copper(II) carbonate. Which equation represents the reaction?

[1]
A

CuCO3+2HCl→CuCl2+H2O+CO2\text{CuCO}_3 + 2\text{HCl} \rightarrow \text{CuCl}_2 + \text{H}_2\text{O} + \text{CO}_2CuCO3​+2HCl→CuCl2​+H2​O+CO2​

B

CuCO3+HCl→CuCl+H2O+CO2\text{CuCO}_3 + \text{HCl} \rightarrow \text{CuCl} + \text{H}_2\text{O} + \text{CO}_2CuCO3​+HCl→CuCl+H2​O+CO2​

C

CuCO3+2HCl→CuCl2+H2CO3\text{CuCO}_3 + 2\text{HCl} \rightarrow \text{CuCl}_2 + \text{H}_2\text{CO}_3CuCO3​+2HCl→CuCl2​+H2​CO3​

D

2CuCO3+2HCl→2CuCl+H2O+2CO22\text{CuCO}_3 + 2\text{HCl} \rightarrow 2\text{CuCl} + \text{H}_2\text{O} + 2\text{CO}_22CuCO3​+2HCl→2CuCl+H2​O+2CO2​

Markscheme

8.3 Identification of ions by chemical and spectroscopic means Questions

  1. GCSE
  2. /Chemistry
  3. /8.3 Identification of ions by chemical and spectroscopic means

40 exam-style questions on AQA GCSE Chemistry 8.3 Identification of ions by chemical and spectroscopic means, covering 8.3.1 Flame tests, 8.3.2 Metal hydroxides, 8.3.3 Carbonates, 8.3.4 Halides, 8.3.5 Sulfates, 8.3.6 Instrumental methods, and 8.3.7 Flame emission spectroscopy. Each one has a worked solution and a mark scheme showing where the marks go.

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